Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 9 |
3 | 32 |
4 | 130 |
5 | 600 |
6 | 2816 |
7 | 13504 |
8 | 65521 |
9 | 319835 |
10 | 1566612 |
11 | 7687400 |
12 | 37759082 |
13 | 185561978 |
14 | 912173296 |
15 | 4484666199 |
16 | 22050441495 |
17 | 108423345160 |
18 | 533136119034 |
19 | 2621552944596 |
20 | 12890861627884 |
21 | 63387955860276 |
22 | 311696797461453 |
[1,9,32,130,600,2816,13504,65521,319835,1566612, 7687400,37759082,185561978,912173296,4484666199, 22050441495,108423345160,533136119034, 2621552944596,12890861627884,63387955860276, 311696797461453] |